knife k390 steel

duras

duras

Joined
Jan 21, 2008
Messages
30
I buy a decent K390 steel pice from Bohler....
I made 2 harned round
1. 1170 Celsius - oil quench, 3 temper 540 celsius - 63-64 HRC
2. 1150 Celsius- oil quench , cryo , 3 temper 540 celsius with cryo - 64-66 HRC
the steel is fantastic







































 
You must log in or register to reply here.
Back
Top